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Power supply for 100-110 watt VHF MCS2000

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P25Radio

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nice. moto sure made good ones.
They sure did, it powers my 110 watt VHF Astro Spectra, 2 110 watt Astro Spectras UHF, syntor x9000 Lowband 110watt, and an Astro 800.all purring along nicely. No hick ups hits runs or errors best power supply on the market.
 

RadioChief55

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I have a TPN1110B power supply, what I found online is that it's 30 amp, I plugged it in and it puts out 16.28 volts DC with no load on it. Will that work for the MCS2000 VHF 110 watt? I also can get a power supply out of a UHF P25 Quantar, but I don't think that it put's out the amp's I need.

Thanks
 

Skypilot007

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16.28 VDC is a bit high. What does it measure when you load it down? You really need a well regulated power supply with an output between 12-14 VDC at 30 amps or more. My Astron 35M has been running here for over 15 years with no trouble. Buy a good power supply once and you're good for a long time.
 

RadioChief55

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Its an older Motorola power supply out of an old base station transmitter.
 

kb7gjy

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My experience is with Astron. I received a old 35 Amp Astron that lived on a mountain top for the first part of its life (5 plus years) then served on a service bench for I don't know how long. I got it and it has been running 24/7 for 15 plus years. Never a lick of problems. 110 watt spectra (Tx 90 watts). then my IC-706MkIIG.

I have ran cheaper power supplies in the past and had some bad experiences (AC Line noise, or the worst one went bad and put 36 volts)

It should be noted that a battery and float charger would work depending on the size of the battery and how long you TX.
But if doing this type of setup venting the battery to outside air is MANDATORY! As a battery chrages it gives off hydrogen gas. A little spark, in a closed enviroment, BOOM!
 

RadioChief55

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I installed the power supply I posted in a post a few days ago, attached is a picture from my SWR meter. 92.8 watts with a 30 amp power supply, I'll take that. Thanks for all your help/
 

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